浙江省天台县平桥第二中学高中英语配套课件：选修6unit3learningaboutlanguage.ppt

选修6 unit3;Word-consolidation-I (2m);Answer key for Exercise 2:;Grammar; It rains heavily (It is a rainy day). 2. It is 20 kilometers from Grandad’s house to James’. 3. It is November 11, 2005. 4. It is 9 o’clock at night.;1. it的最基本用法是作代词，主要指刚提到的事物，以避免重复:z x x k Xi’an is?a?beautiful?city, isn’t?it? 2. 也可以指动物或婴儿(未知性别的婴儿或孩子): Is this your dog？No, it isn’t.;it有时并不指具体的东西，而泛指天气、时间、日期、距离、价值、度量、温度、环境等，称为非人称的it： 指天气： It is a lovely day, isn’t?it? It is a bit windy.;2. 指时间: It was nearly midnight when she came back. 3. 指环境: It was very quiet in?the?café. 4. 指距离： It is half an hour’s?walk?to the city centre from my home.;5. 指日期： --Whats the date today? --Its May 1, 2007. 6. 指季节： It is summer now.;7. 指度量： It is about 5 kilograms. 8. 指价值：z x x k ----Whats the cost of the T-shirt? ----It is 150 yuan.;替代作主语的从句、动词不定式、动名词，而把真正作主语的从句、动词不定式、动名词置于句尾。;（1）It be adj.（for sb.）to do sth. 此处adj. 通常为描述事件的形容词：easy，difficult，hard，necessary，unnecessary，possible，impossible，likely，unlikely，right，wrong，important，unimportant，legal，illegal，well-mannered，ill-mannered，polite，impolite，clear，obvious，certain，suitable，proper，fit，useful，useless，dangerous… It is illegal（for a teenager）to drive a car without a license.　　;（2）It be adj. of sb. to do sth. 此处adj. 通常为描述人的形容词：kind，unkind，nice，rude，cruel，considerate，thoughtful，thoughtless，careful，careless，silly，foolish，stupid，clever，wise，crazy. Its kind of you to help me with the problem.;Its no good/use doing… Its（well）worth doing… Its（well）worth ones while doing/to do… Its（well）worth while doing/ to do Its no use crying over spilt milk.;2. it作形式主语替代主语从句;It is said (reported/ learned/believed /thought/known/told/hoped.....) that ... 该句型中的it 仍是形式主语，真正主语是that 引导的主语从句；该结构常译为“据说（据报道，据悉．．．）”。 It is said that he has come to Beijing. It is reported that another earth satellite has been put into orbit.;③ It is + noun + 从句 ;It is a pity that such a thing (should) happen in your class. 这种事竟然发生在你们班上，真是遗憾！ It is a pity that he is